About the Authors

William G. Lindsley

wlindsley@cdc.gov

Affiliation Allergy and Clinical Immunology Branch, Health Effects Laboratory Division, National Institute for Occupational Safety and Health, Morgantown, West Virginia, United States of America

Francoise M. Blachere

Affiliation Allergy and Clinical Immunology Branch, Health Effects Laboratory Division, National Institute for Occupational Safety and Health, Morgantown, West Virginia, United States of America

Robert E. Thewlis

Affiliation Allergy and Clinical Immunology Branch, Health Effects Laboratory Division, National Institute for Occupational Safety and Health, Morgantown, West Virginia, United States of America

Abhishek Vishnu

Affiliation Department of Community Medicine, West Virginia University, Morgantown, West Virginia, United States of America

Kristina A. Davis

Affiliation Department of Medicine, West Virginia University, Morgantown, West Virginia, United States of America

Gang Cao

Affiliation Allergy and Clinical Immunology Branch, Health Effects Laboratory Division, National Institute for Occupational Safety and Health, Morgantown, West Virginia, United States of America

Jan E. Palmer

Affiliation Well WVU Student Health, West Virginia University, Morgantown, West Virginia, United States of America

Karen E. Clark

Affiliation Well WVU Student Health, West Virginia University, Morgantown, West Virginia, United States of America

Melanie A. Fisher

Affiliation Department of Medicine, West Virginia University, Morgantown, West Virginia, United States of America

Rashida Khakoo

Affiliation Department of Medicine, West Virginia University, Morgantown, West Virginia, United States of America

Donald H. Beezhold

Affiliation Allergy and Clinical Immunology Branch, Health Effects Laboratory Division, National Institute for Occupational Safety and Health, Morgantown, West Virginia, United States of America

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: WGL FMB MAF RK DHB. Performed the experiments: WGL FMB RET AV KAD GC. Analyzed the data: WGL FMB AV. Contributed reagents/materials/analysis tools: WGL FMB DHB. Wrote the paper: WGL FMB DHB. Coordinated clinical activities, recruited and screened patients, reviewed protocols and monitored for safety and compliance with patient privacy rules: JEP KEC MAF RK.